++ hostname -s
+ HOSTNAME=instance
+ PORTNAME=octavia-health-manager-port-instance
++ openstack port show octavia-health-manager-port-instance -c id -f value
+ HM_PORT_ID=e073f709-1336-465a-9374-a094279888db
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:ee:ed:eb
+ echo e073f709-1336-465a-9374-a094279888db
+ echo fa:16:3e:ee:ed:eb